Siding gauge



FIG. 1 is a front elevational view of the siding gauge according to our designs;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan elevational view thereof;

FIG. 4 is a bottom plan elevational view thereof;

FIG. 5 is a left end elevational view thereof; and,

FIG. 6 is a right end elevational view thereof.

The broken lines are representations of holes and/or screw heads, which connect the parts and form no part of the claimed design. 

CLAIM The ornamental design for a siding gauge, as shown and described. 